JDL 4-2-1 EL header - Page 10 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

R_E_L · 12-24-2018, 04:09 PM

Well, Christmas came a day early for me

It was pretty well wrapped but at some point the flange must have taken a smack. It shouldn't really be an issue though right?

Oh and my dumb butt managed to squash the merge collector gasket while trying to put everything away again.

Now I will tuck it away somewhere until tax season lol. I'm not picking up the flex kit or EcuTek stuff til then. For the others who picked one up, have you guys installed yet?

jflogerzi · 12-24-2018, 04:14 PM

I decided to cancel my order for now. I am waiting for other to post a review. I am mainly tired of the noise my current uel header makes. So I am going back to stock header for the time being and swapping my exhaust for a nicer and hopefully more mature sounding catback. Once summer hits or there are more proven dynos with OFT tunes I will consider it.

Looks good and typical JDL quality.

Sent from my ONEPLUS A5010 using Tapatalk

weederr33 · 12-24-2018, 04:31 PM

It's tempting to buy one of these despite my Nameless Performance/ Cosworth header holding up just fine. Oh holidays... :S

JBezugs · 01-03-2019, 01:16 PM

An update: My header has arrived and I will be picking it up Friday!

Possibly the first person in Canada to receive one, however probably won't be the first one running it on the car. Can't install and tune until spring as my car is stored for the winter.

Roadcone · 01-03-2019, 01:24 PM

Quote:

Originally Posted by R_E_L

Well, Christmas came a day early for me

It was pretty well wrapped but at some point the flange must have taken a smack. It shouldn't really be an issue though right?

Oh and my dumb butt managed to squash the merge collector gasket while trying to put everything away again.

Now I will tuck it away somewhere until tax season lol. I'm not picking up the flex kit or EcuTek stuff til then. For the others who picked one up, have you guys installed yet?

Don't use those gaskets. They are garbage. I had to buy grimmspeeds and replace them shortly after install.

Sent from my Pixel 2 XL using Tapatalk

TMF · 01-03-2019, 03:53 PM

Mine arrived last week too. I'll be installing soon, but I won't be running it or getting it tuned until spring as mine is also in storage mode. Can't wait!!

JBezugs · 01-15-2019, 11:44 AM

For the lack of quantifiable dynos at the moment (save for the JDL dyno on their website), I got a little nerdy this weekend.

I took some existing dyno numbers from Drift Office that were available that had a baseline for the stock BRZ and a JDL UEL header which you can find here.

From there, I extrapolated gains for the new 4-2-1 EL header vs stock. Since the 4-2-1 was compared against the JDL UEL header on the dyno from JDL; I could get a rough idea of the gain over stock from the Drift Office dyno using percentage gain of the 4-2-1 vs the UEL on JDL's dyno numbers at each 100RPM datapoint and then applying those values to the Drift Office JDL UEL numbers.

Keep in mind that this is very high level and does not include differences in tuning, etc.

Interactive version

jflogerzi · 01-19-2019, 01:07 AM

Waiting for those results boys and girls. Get those headers on and show me some dyno numbers so I can spend more money!

PuslarBrrrz · 01-19-2019, 01:19 AM

Quote:

Originally Posted by jflogerzi

Waiting for those results boys and girls. Get those headers on and show me some dyno numbers so I can spend more money!

Didn't JDL dyno it against there own UEL header?

TMF · 01-19-2019, 08:47 AM

Quote:

Originally Posted by PuslarBrrrz

Didn't JDL dyno it against there own UEL header?

They did, but it always helps to see more independent dyno results.

Mine are sitting in the box.... I'm anxiously waiting for Spring.

TMF · 01-27-2019, 12:45 PM

Got the new JDL 4-2-1 EL header, op, and fp installed yesterday. It only took a little massaging to get the headers in but not bad and clearance is pretty good. I cleaned up the mounting holes with a dremel and used a dead blow hammer to just bend in this part a little (see photos below) - it was pretty tight and made fitting them in a little tough. Didn't need to bend it much though. It looks like just an extra piece of sheet metal over the lower part of frame. Not sure if it was absolutely necessary to bend, but it did seem to make them go in easier.

Other top tip... Put in the overpipe before you put the new headers on. Ask me how I know.

Videos of the exhaust and weight savings are on my Instagram page: Instagram.com/jhillmotorsports

I can't wait until spring to get this thing tuned and drive it!!

jflogerzi · 01-27-2019, 01:22 PM

Quote:

Originally Posted by TMF

Got the new JDL 4-2-1 EL header, op, and fp installed yesterday. It only took a little massaging to get the headers in but not bad and clearance is pretty good. I cleaned up the mounting holes with a dremel and used a dead blow hammer to just bend in this part a little (see photos below) - it was pretty tight and made fitting them in a little tough. Didn't need to bend it much though. It looks like just an extra piece of sheet metal over the lower part of frame. Not sure if it was absolutely necessary to bend, but it did seem to make them go in easier.

Other top tip... Put in the overpipe before you put the new headers on. Ask me how I know.

Videos of the exhaust and weight savings are on my Instagram page: Instagram.com/jhillmotorsports

I can't wait until spring to get this thing tuned and drive it!!

You might want to let JDL on what you did for more clearance.

Sent from my ONEPLUS A5010 using Tapatalk

jflogerzi · 01-27-2019, 03:28 PM

Quote:

Originally Posted by TMF

Got the new JDL 4-2-1 EL header, op, and fp installed yesterday. It only took a little massaging to get the headers in but not bad and clearance is pretty good. I cleaned up the mounting holes with a dremel and used a dead blow hammer to just bend in this part a little (see photos below) - it was pretty tight and made fitting them in a little tough. Didn't need to bend it much though. It looks like just an extra piece of sheet metal over the lower part of frame. Not sure if it was absolutely necessary to bend, but it did seem to make them go in easier.

Other top tip... Put in the overpipe before you put the new headers on. Ask me how I know.

Videos of the exhaust and weight savings are on my Instagram page: Instagram.com/jhillmotorsports

I can't wait until spring to get this thing tuned and drive it!!

You might want to let JDL on what you did for more clearance. Feedback is always good.

Sent from my ONEPLUS A5010 using Tapatalk

tobin · 01-28-2019, 10:01 AM

Hmmm...wonder if they will revise the second batch to fix these clearance issues?

12-24-2018, 04:09 PM	#127
R_E_L He's got this. Join Date: Mar 2010 Drives: 50th Anni BRZ Location: SoCal Posts: 569 Thanks: 251 Thanked 247 Times in 129 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Well, Christmas came a day early for me It was pretty well wrapped but at some point the flange must have taken a smack. It shouldn't really be an issue though right? Oh and my dumb butt managed to squash the merge collector gasket while trying to put everything away again. Now I will tuck it away somewhere until tax season lol. I'm not picking up the flex kit or EcuTek stuff til then. For the others who picked one up, have you guys installed yet? __________________ Don't worry, I'm certified... promise.

12-24-2018, 04:31 PM	#129
weederr33 Airborne at your service Join Date: Sep 2014 Drives: '17 BRZ Series.Yellow Location: El Paso, Texas Posts: 6,325 Thanks: 4,528 Thanked 5,586 Times in 2,928 Posts Mentioned: 33 Post(s) Tagged: 2 Thread(s)	It's tempting to buy one of these despite my Nameless Performance/ Cosworth header holding up just fine. Oh holidays... :S __________________ Series.Yellowbird - http://www.ft86club.com/forums/showthread.php?t=122135 MS, CSCS, TSAC-F, CPT

01-03-2019, 01:16 PM	#130
JBezugs Good Job Subaru! Join Date: Mar 2016 Drives: Green '17 BRZ Sport-Tech MT Location: Toronto, Ontario, Canada Posts: 348 Thanks: 141 Thanked 327 Times in 154 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	An update: My header has arrived and I will be picking it up Friday! Possibly the first person in Canada to receive one, however probably won't be the first one running it on the car. Can't install and tune until spring as my car is stored for the winter. __________________ My Green 2017 BRZ Build Thread

01-03-2019, 03:53 PM	#132
TMF Senior Member Join Date: Jul 2015 Drives: '14 FRS TT5 Location: Columbus, OH Posts: 228 Thanks: 140 Thanked 124 Times in 64 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Mine arrived last week too. I'll be installing soon, but I won't be running it or getting it tuned until spring as mine is also in storage mode. Can't wait!! __________________ Follow my NASA TT5 build here: JHill Motorsports

01-15-2019, 11:44 AM	#133
JBezugs Good Job Subaru! Join Date: Mar 2016 Drives: Green '17 BRZ Sport-Tech MT Location: Toronto, Ontario, Canada Posts: 348 Thanks: 141 Thanked 327 Times in 154 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	JDL 4-2-1 EL header For the lack of quantifiable dynos at the moment (save for the JDL dyno on their website), I got a little nerdy this weekend. I took some existing dyno numbers from Drift Office that were available that had a baseline for the stock BRZ and a JDL UEL header which you can find here. From there, I extrapolated gains for the new 4-2-1 EL header vs stock. Since the 4-2-1 was compared against the JDL UEL header on the dyno from JDL; I could get a rough idea of the gain over stock from the Drift Office dyno using percentage gain of the 4-2-1 vs the UEL on JDL's dyno numbers at each 100RPM datapoint and then applying those values to the Drift Office JDL UEL numbers. Keep in mind that this is very high level and does not include differences in tuning, etc. Interactive version Interactive version __________________ My Green 2017 BRZ Build Thread Last edited by JBezugs; 01-15-2019 at 01:58 PM.

01-27-2019, 12:45 PM	#137
TMF Senior Member Join Date: Jul 2015 Drives: '14 FRS TT5 Location: Columbus, OH Posts: 228 Thanks: 140 Thanked 124 Times in 64 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Got the new JDL 4-2-1 EL header, op, and fp installed yesterday. It only took a little massaging to get the headers in but not bad and clearance is pretty good. I cleaned up the mounting holes with a dremel and used a dead blow hammer to just bend in this part a little (see photos below) - it was pretty tight and made fitting them in a little tough. Didn't need to bend it much though. It looks like just an extra piece of sheet metal over the lower part of frame. Not sure if it was absolutely necessary to bend, but it did seem to make them go in easier. Other top tip... Put in the overpipe before you put the new headers on. Ask me how I know. Videos of the exhaust and weight savings are on my Instagram page: Instagram.com/jhillmotorsports I can't wait until spring to get this thing tuned and drive it!! __________________ Follow my NASA TT5 build here: JHill Motorsports

01-28-2019, 10:01 AM	#140
tobin Senior Member Join Date: Jun 2013 Drives: '13 BRZ Location: CT Posts: 485 Thanks: 314 Thanked 330 Times in 155 Posts Mentioned: 6 Post(s) Tagged: 1 Thread(s)	Hmmm...wonder if they will revise the second batch to fix these clearance issues?

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